@article{DAN_1971_197_5_a10,
     author = {P. L. Ul'yanov},
     title = {Weierstrass theorems for $\varphi(L)$ class functions},
     journal = {Doklady Akademii Nauk},
     pages = {1030--1033},
     publisher = {mathdoc},
     volume = {197},
     number = {5},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_197_5_a10/}
}